data_global _amcsd_formula_title 'Y3NiAl3Ge2' loop_ _publ_author_name 'Zhao J T' 'Parthe E' _journal_name_full 'Acta Crystallographica, Section C' _journal_volume 46 _journal_year 1990 _journal_page_first 2273 _journal_page_last 2276 _publ_section_title ; Y3NiAl3Ge2, a quaternary substitution variant of the hexagonal Fe2P type ; _database_code_amcsd 0010210 _chemical_formula_sum 'Al3 Y3 Ge2 Ni' _cell_length_a 6.9481 _cell_length_b 6.9481 _cell_length_c 4.1565 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 200.660 _exptl_crystal_density_diffrn 4.564 _symmetry_space_group_name_H-M 'P -6 2 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,z' '-x+y,-x,-z' 'y,x,-z' '-y,x-y,z' 'x-y,-y,z' 'x,y,-z' '-x,-x+y,-z' '-x+y,-x,z' 'y,x,z' '-y,x-y,-z' 'x-y,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Al 0.22680 0.00000 0.50000 0.00400 Y 0.59630 0.00000 0.00000 0.00620 Ge 0.33333 0.66667 0.50000 0.00670 Ni 0.00000 0.00000 0.00000 0.00990